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List: coreutils
Subject: [coreutils] [PATCH] sort: minor performance tweak with num_processors
From: Paul Eggert <eggert () cs ! ucla ! edu>
Date: 2010-12-23 7:31:31
Message-ID: 4D12FAD3.3010605 () cs ! ucla ! edu
[Download RAW message or body]
* src/sort.c (main): Don't invoke num_processors twice.
---
src/sort.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/sort.c b/src/sort.c
index f193e04..96e0696 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -4601,8 +4601,8 @@ main (int argc, char **argv)
{
if (!nthreads)
{
- nthreads = MIN (DEFAULT_MAX_THREADS,
- num_processors (NPROC_CURRENT_OVERRIDABLE));
+ unsigned long int np = num_processors (NPROC_CURRENT_OVERRIDABLE);
+ nthreads = MIN (np, DEFAULT_MAX_THREADS);
}
/* Avoid integer overflow later. */
--
1.7.2
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